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Finding the Fourth Proportional to 2,222.62, 3,333.81 and 835.85

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Solution

The fourth proportional to 2,222.62, 3,333.81 and 835.85 is: 1,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.62 : 3,333.81 = 835.85 : x
  2. Step 2: Convert to fraction form
    2,222.62/3,333.81 = 835.85/x
  3. Step 3: Cross multiply
    2,222.62x = 3,333.81 × 835.85
  4. Step 4: Simplify right side
    2,222.62x = 2,786,565.09
  5. Step 5: Solve for x
    x = 2,786,565.09/2,222.62
  6. Step 6: Final answer
    x = 1,253.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.